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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.6
- 수록면
- 181 - 189 (9page)
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A composite material was tested to eliminate phenol in aqueous solution combining adsorption on activated carbon and photocatalysis with TiO₂ in two different ways. A first implementation involved a sequential process with a loop reactor. The aim was to reuse this material as adsorbent several times with in situ photocatalytic regeneration. This process alternated a step of adsorption in the dark and a step of photocatalytic oxidation under UV irradiation with or without H₂O₂. Without H₂O₂, the composite material was poorly regenerated due to the accumulation of phenol and intermediates in the solution and on TiO₂ particles. In presence of H₂O₂, the regeneration of the composite material was clearly enhanced. After five consecutive adsorption runs, the amount of eliminated phenol was twice the maximum adsorption capacity. The phenol degradation could be described by a pseudo first-order kinetic model where constants were much higher with H₂O₂ (about tenfold) due to additional .H radicals. The second implementation was in a continuous process as with a fixed bed reactor where adsorption and photocatalysis occurred simultaneously. The results were promising as a steady state was reached indicating stabilized behavior for both adsorption and photocatalysis.
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참고문헌 (57)
참고문헌 신청
[학술지(정기간행물)] - Lagunas-Allue L / 2010 / Photocatalytic degradation of boscalid in aqueous titanium dioxide suspension: Identification of intermediates and degradation pathways / Appl. Catal. B 98 : 122 ~ 131
[학술지(정기간행물)] - Elmolla ES / 2010 / Photocatalytic degradation of amoxicillin, ampicillin and cloxacillin antibiotics in aqueous solution using UV/TiO2 and UV/H2O2/TiO2 photocatalysis / Desalination 252 : 46 ~ 52
[학술지(정기간행물)] - HHH Lin / 2014 / Photocatalytic oxidation of 5-fluorouracil and cyclophosphamide via UV/TiO2 in an aqueous environment / Water Res 48 : 559 ~ 568
[학술지(정기간행물)] - Konstantinou IK / 2004 / TiO2-assisted photocatalytic degradation of azo dyes in aqueous solution: kinetic and mechanistic investigations. A review / Appl. Catal. B 49 : 1 ~ 14
[학술지(정기간행물)] - Rizzo L / 2011 / Bioassays as a tool for evaluating advanced oxidation processes in water and wastewater treatment / Water Res 45 : 4311 ~ 4340
[학술지(정기간행물)] - Elmolla ES / 2010 / Photocatalytic degradation of amoxicillin, ampicillin and cloxacillin antibiotics in aqueous solution using UV/TiO2 and UV/H2O2/TiO2 photocatalysis / Desalination 252 : 46 ~ 52
[학술지(정기간행물)] - HHH Lin / 2014 / Photocatalytic oxidation of 5-fluorouracil and cyclophosphamide via UV/TiO2 in an aqueous environment / Water Res 48 : 559 ~ 568
[학술지(정기간행물)] - Konstantinou IK / 2004 / TiO2-assisted photocatalytic degradation of azo dyes in aqueous solution: kinetic and mechanistic investigations. A review / Appl. Catal. B 49 : 1 ~ 14
[학술지(정기간행물)] - Rizzo L / 2011 / Bioassays as a tool for evaluating advanced oxidation processes in water and wastewater treatment / Water Res 45 : 4311 ~ 4340
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UCI(KEPA) : I410-ECN-0101-2017-539-001539629